Answer
$\frac{1}{r^{11}}$
Work Step by Step
Use the quotient rule and the definition of negative exponents.
$\frac{r^{-15}}{r^{-4}}=r^{-15-(-4)}=r^{-11}=\frac{1}{r^{11}}$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Appendix B - Exercise Set - Page 742: 62
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
